148635668 has 12 divisors (see below), whose sum is σ = 261770292. Its totient is φ = 73844160.

The previous prime is 148635659. The next prime is 148635671. The reversal of 148635668 is 866536841.

It can be written as a sum of positive squares in 2 ways, for example, as 27899524 + 120736144 = 5282^2 + 10988^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117713 + ... + 118968.

It is an arithmetic number, because the mean of its divisors is an integer number (21814191).

Almost surely, 2^148635668 is an apocalyptic number.

It is an amenable number.

148635668 is a deficient number, since it is larger than the sum of its proper divisors (113134624).

148635668 is a wasteful number, since it uses less digits than its factorization.

148635668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236842 (or 236840 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The square root of 148635668 is about 12191.6228616210. The cubic root of 148635668 is about 529.7134656241.

The spelling of 148635668 in words is "one hundred forty-eight million, six hundred thirty-five thousand, six hundred sixty-eight".